Table 3.
Exploratory factor analysis: factor loadings, communalities, explained variance, and correlation among factors (n = 226).
Factors | |||||||
---|---|---|---|---|---|---|---|
Items | F 1 | F 2 | F 3 | F 4 | F 5 | F 6 | Communalities |
Depression | 0.816 | 0.688 | |||||
Anxiety | 0.690 | 0.541 | |||||
Suicidality | 0.627 | 0.383 | |||||
Guilt | 0.543 | 0.296 | |||||
Somatic concern | 0.429 | 0.310 | |||||
Blunted affect | 0.875 | 0.767 | |||||
Emotional withdrawal | 0.788 | 0.649 | |||||
Motor retardation | 0.699 | 0.545 | |||||
Mannerisms and posturing | 0.448 | 0.437 | |||||
Hallucinations | 0.744 | 0.467 | |||||
Unusual thought content | 0.741 | 0.575 | |||||
Bizarre behavior | 0.662 | 0.546 | |||||
Suspiciousness | 0.483 | 0.463 | |||||
Motor hyperactivity | 0.771 | 0.565 | |||||
Excitement | 0.744 | 0.654 | |||||
Elevated mood | 0.529 | 0.328 | 0.253 | ||||
Tension | 0.485 | 0.407 | |||||
Conceptual disorganization | 0.860 | 0.660 | |||||
Distractibility | 0.498 | 0.570 | |||||
Disorientation | 0.367 | 0.495 | 0.397 | ||||
Grandiosity | 0.432 | 0.462 | 0.419 | ||||
Explained variance | 17.88 | 10.45 | 8.51 | 5.91 | 2.76 | 2.46 | |
F1 | 0.13** | 0.34*** | 0.19*** | 0.20*** | |||
F2 | 0.14** | −0.13* | 0.30*** | ||||
F3 | 0.16** | 0.26*** | |||||
F4 | 0.15** | ||||||
Cronbach's alpha | 0.75 | 0.77 | 0.74 | 0.65 | 0.65 |
F1, Affect; F2, Negative symptoms; F3, Positive symptoms; F4, Activation; F5, Disorganization. *p < 0.05, **p < 0.01, ***p < 0.001.